1. Division of Occlusion and Maxillofacial Reconstruction, Department of Oral Function, Kyushu Dental University, Fukuoka
2. Department of Prosthetic Dentistry, Ohu University School of Dentistry, Fukushima
3. Division of Removable Prosthodontics, Department of Restorative and Biomaterials Sciences, Meikai University School of Dentistry, Saitama